164617178

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{1979}}^1$

素因数の和:2210

約数の個数: 32

約数和(自身を含む): 285120000

約数和(自身を除く): 120502822

約数列:

[1, 2, 11, 19, 22, 38, 199, 209, 398, 418, 1979, 2189, 3781, 3958, 4378, 7562, 21769, 37601, 41591, 43538, 75202, 83182, 393821, 413611, 787642, 827222, 4332031, 7482599, 8664062, 14965198, 82308589, 164617178]

約数ペア:

[(1, 164617178), (2, 82308589), (11, 14965198), (19, 8664062), (22, 7482599), (38, 4332031), (199, 827222), (209, 787642), (398, 413611), (418, 393821), (1979, 83182), (2189, 75202), (3781, 43538), (3958, 41591), (4378, 37601), (7562, 21769)]